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| TDA7540N Datasheet, PDF (25/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS) | |||
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TDA7540N
Electrical specifications
3.3.5
Table 9.
Symbol
PLL Section
PLL electrical characteristics
(Tamb = 25°C, VCC1 = VCC2 = VCC3 = VCCST= VCCVCO = VCCMIX1 = VCCMIX2 = VCCIF1 = 8.5V,
fRF = 98MHz, dev. = 40kHz, fMOD = 1kHz, fXtal = 10.25MHz, in application circuit, unless
otherwise specified).
Parameter
Test conditions
Min. Typ. Max. Unit
Output of tuning voltages (TV1,TV2)
VOUT
ROUT
ROUT
Output voltage
Output impedance
Output impedance
Xtal reference oscillator
TVO
TVMODE=0
TVMODE=1
fLO
CStep
Cmax
Îf/f
Îf/f
Reference frequency
Min. cap step
Max. cap
Deviation versus VCC2
Deviation versus temp
CLoad = 15pF
XTAL
XTAL
ÎVCC2 = 1V
-40°C < T < +85°C
Loop filter input/output
-IIN
Input leakage current
IIN
Input leakage current
VOL
Output voltage Low
VIN = GND, PDOUT = Tristate
VIN = VREF1
PDOUT = Tristate
IOUT = -0.2mA
VOH
Output voltage High
IOUT = 0.2mA
IOUT
IOUT
Output current, sink
Output current, source
Voltage controlled oscillator (VCO)
VOUT = 1V to VCC3-1V
VOUT = 1V to VCC3-1V
fVCOmin
fVCOmax
C/N
Minimum VCO frequency
Maximum VCO frequency
Carrier to Noise
fVCO= 200MHz, Îf=1KHz,
B=1Hz, closed loop
SSTOP, INLOCK, ISSSTATUS outputs (open collector)
V
Output voltage low
V
Output voltage high
-I
Output leakage current
I
Output current, sink
I = -200μA
V = 5V
V = 0.5V-5V
Switching outputs S1, S2 (open collector SMODE=1)
V
Output voltage low
I = -5mA
0.5
VCC3-0.5 V
32
40
48
kΩ
16
20
24
kΩ
10.25
0.75
23.25
1.5
0.2
MHz
pF
pF
ppm/V
ppm/K
-0.1
0.1
μA
-0.1
0.1
μA
0.05
0.5
V
VCC3- VCC3-
0.5 0.05
V
10
mA
-10
mA
50
80
MHz
260
MHz
dBc
0.2
0.5
V
5
V
-0.1
0.1
μA
1
mA
0.2
0.5
V
25/76
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